5mm Allen wrench bit, hardened electric screwdriver bit with magnetic tip, S1/4 150mm (sold in packs of 10, shipped in plastic box).

1、High temperature quenching heat treatment, making the product more comfortable to use, strengthen the overall hardness 2、Come with strong magnetic adsorption screws. Overall strong magnetic treatment 3、Screwdriver bit with strong magnetic come with simple and fast operation 4、S2 alloy steel material can resist to corrosion and increase service life 5、Using advanced technology to bring smooth surface, which will not hurt your hands in work Item Type: Screwdriver Bit Material: S2 alloy steel Shank Diameter: Approx. 6.35mm / 0.3in Length: Approx. 150mm / 5.9in 10 x Screwdriver Bit